install_package "openssl-1.0.2k" "https://www.openssl.org/source/openssl-1.0.2k.tar.gz#6b3977c61f2aedf0f96367dcfb5c6e578cf37e7b8d913b4ecb6643c3cb88d8c0" mac_openssl --if has_broken_mac_openssl
install_package "yaml-0.1.6" "http://pyyaml.org/download/libyaml/yaml-0.1.6.tar.gz#7da6971b4bd08a986dd2a61353bc422362bd0edcc67d7ebaac68c95f74182749" --if needs_yaml
install_package "ruby-1.9.3-p286" "https://cache.ruby-lang.org/pub/ruby/1.9/ruby-1.9.3-p286.tar.bz2#5281656c7a0ae48b64f28d845a96b4dfa16ba1357a911265752787585fb5ea64" warn_eol standard